Re: [Users] oVirt with UPS Shutdown Software

From: "Itamar Heim" <iheim(a)redhat.com&gt; To: "Omer Frenkel" <ofrenkel(a)redhat.com&gt; Cc: "Neil" <nwilson123(a)gmail.com&gt;, users(a)ovirt.org Sent: Tuesday, August 21, 2012 11:10:33 PM Subject: Re: [Users] oVirt with UPS Shutdown Software On 08/21/2012 07:01 PM, Omer Frenkel wrote: > > > ----- Original Message ----- >> From: "Neil" <nwilson123(a)gmail.com&gt; >> To: users(a)ovirt.org >> Sent: Tuesday, August 21, 2012 6:05:17 PM >> Subject: [Users] oVirt with UPS Shutdown Software >> >> Hi guys, >> >> I've looked around briefly and can't seem to find much info on >> this, >> so please excuse me if this has already been asked/documented. >> >> I have a UPS with SNMP support and I started installing the >> management >> software(IPP) that it comes with and then it occurred to me that >> the >> shutdown sequence of servers with oVirt 3.1 would be quite >> critical. >> Is there any documentation on shut down sequences or does anyone >> know >> what the recommended way of handling power failures are? >> >> My thinking is that when a power failure is detected by the UPS >> software running on the ovirt-engine machine, the VM's need to be >> shutdown gracefully, and then the data center needs to be put into >> maintenance, before the hosts are eventually shutdown, and then >> finally the ovirt-engine needs to be halted. >> > > sounds right to me: > shutdown the vms, > put data-center to maintenance (actually means put all domains to > maintenance - i guess this part is nice to have but not must) > then put hosts to maintenance (not sure you mentioned that) > then you can shutdown any server in any order. why move the DC to maint or the host to maint (unless other hosts are not affected by this)?

> >> Any thoughts or ideas/suggestions on the above, can the >> ovirt-engine >> somehow be told to shutdown the VM's and hosts etc? >> > > well writing a script to do that shouldn't be hard using the API, > but the question how to trigger it? (i'm not familiar with the UPS > software capabilities) > >> Thank you very much. >> >> Regards. >> >> Neil Wilson. >> _______________________________________________ >> Users mailing list >> Users(a)ovirt.org >> http://lists.ovirt.org/mailman/listinfo/users >> > _______________________________________________ > Users mailing list > Users(a)ovirt.org > http://lists.ovirt.org/mailman/listinfo/users >